A Novel Approach to the Sintering Schedule of Ba (Co0.7Zn0.3)1/3Nb2/3O3 Dielectric Ceramics for Microwave Applications

Table 2

Characteristic properties of annealed BCZN ceramics.

Sample	Sintering parameters at 1450°C	Density (g/cm3)		Porosity (%)			Shrinkage Δl/l (%)
	Insertion-dwell-extraction times (min)	Geometrical	Skeleton	Total	Closed	Open
x1a	5-0-5	6.29	6.37	3.23	2	1.23	15.92
x2a	5-10-5	6.23	6.29	4.15	3.23	0.92	16.41
x3a	10-10-10	6.21	6.3	4.46	3.08	1.38	16.55
x4a	100-30-100	6.22	6.33	4.31	2.62	1.69	16.43
x5a	100-60-100	6.22	6.32	4.31	2.77	1.54	16.62